<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
	</head>
	<body>
      <div class="input">
        <input class="btnInput" placeholder="下架图书ID" #bookId />
      </div>
      <div class="button">
        <button class="btnDelete" (click)="delete(bookId.value); bookId.value=''">
          下 架
        </button>
      </div>
      <div class="tip">
        {{tip}}
      </div>
	</body>
</html>
